The Company and Its Significant Accounting Policies - Adoption of ASU 2021-08 Balance Sheet Impact (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Oct. 01, 2021	Sep. 30, 2021	Jun. 30, 2021	Jun. 30, 2020
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Goodwill	$ 2,362,893			$ 1,772,043	$ 0
Deferred revenue	31,868			12,848
Accumulated deficit	(544,828)			(247,467)
Previously Reported
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Goodwill			$ 2,354,812
Deferred revenue			21,328
Deferred income tax liability			3,877	9,090
Accumulated deficit			$ (294,152)	(247,467)
Adoption of ASU 2021-08
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Goodwill	$ 8,278	$ 2,363,090		$ 0
Deferred revenue		29,408
Deferred income tax liability		2,649
Accumulated deficit		(292,726)
Adoption of ASU 2021-08 | Revision of Prior Period, Adjustment
Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Line Items]
Goodwill		8,278
Deferred revenue		8,080
Deferred income tax liability		(1,228)
Accumulated deficit		$ 1,426